add --cap-add=NET_ADMIN to make a new network device

inspired by #9452

Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@docker.com> (github: SvenDowideit)

Signed-off-by: Sven Dowideit <SvenDowideit@docker.com>
Add a fuse example, combining both SYS_ADMIN and --device

inspired by #9448 and #9487

Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@docker.com> (github: SvenDowideit)

Signed-off-by: Sven Dowideit <SvenDowideit@docker.com>
Merge pull request #9522 from SvenDowideit/add-some-cap-add-examples

Add some cap add examples